FD 100/320Gbps NT and FX NT IHub Services Guide Virtual Private Routed Network Service
Issue: 13 3HH-11985-AAAA-TQZZA 453
7.10.2.6 maximum-routes
Table 416 maximum-routes command
Description This command specifies the maximum number of IPv6 routes that can be held within a VPN
routing/forwarding (VRF) context.
Note that the VPRN service ID must be in a shutdown state in order to modify maximum-routes
to lower than the existing routes in the route table. Otherwise an error message will be
returned.
If the log-only parameter is not specified and the number value is set below the existing number
of routes in a VRF, then the offending RIP peer (if applicable) is brought down (but the VPRN
instance remains up). BGP peering will remain up but the exceeding BGP routes will not be
added to the VRF. The maximum route threshold can dynamically change to increase the
number of supported routes even when the maximum has already been reached. Protocols will
resubmit their routes which were initially rejected. The no form of the command disables any
limit on the number of routes within a VRF context.
Default 0 or disabled — The threshold will not be raised.
Parameters number — An integer that specifies the maximum number of routes to be held in a VRF
context.
Values: 1 — 24576
log-only — This parameter specifies that if the maximum limit is reached, only log the event.
log-only does not disable the learning of new routes.
threshold percentage — The percentage at which a warning log message and SNMP trap
should be set. There are two warnings, the first is a mid-level warning at the threshold value
set and the second is a high-level warning at level between the maximum number of routes
and the mid-level rate ( [mid+max] / 2 ).
Values: 0 — 100
Item Description
(2 of 2)
Item Description
Syntax maximum-routes number [log-only] [threshold percentage]
no maximum-routes
Context configure>service>vprn
(1 of 2)
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